Magnesium (Mg) Back Catalog number: 58012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82475 CCC Class III- Method 8261 Price on request 677311 2,3,6-Trichlorophenol, 250mg Price on request MI507-100 Reagent kit for 100 tests (Ammonia LR) Contains: 1 x 20mL NH3-1, 1 x 21mL NH3-2 Price on request